Air purifier



FIG. 1 is a front elevational view of an air purifier showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front and left side perspective view thereof;

FIG. 8 is a bottom, rear and right side perspective view thereof;

FIG. 9 is an enlarged view of portion 9 in FIG. 7; and,

FIG. 10 is an enlarged view of portion 10 in FIG. 7.

The evenly spaced broken lines in the drawings illustrate portions ofthe air purifier which form no part of the claimed design. The dash-dotbroken lines showing the enlargements in FIGS. 7, 9, and 10 form no partof the claimed design. The oblique shade lines in the drawings are usedto show a reflective surface of a screen of the air purifier.

CLAIM The ornamental design for an air purifier, as shown and described.